Yellowstone National Park has stores of various kinds. A store, in simple words, is a shop. It is a catch-all term to describe shops and outlets of various kinds. Such stores may be general stores, or specialized stores selling specific items. The scale of operations can also vary widely. Departmental stores, for example, are usually quite big and stock a large variety of goods, while corner stores have relatively less stock but many fresh items such as eggs and milk. The store may be managed by the owner alone, or he may have a group of assistants. Stores may also have discounts or sales from time to time.